<template>
  <div class="permission-container">
    <div class="app-container">
      <!-- 表格 -->
      <el-card>
        <div style="text-align: right; margin-bottom: 20px">
          <el-button type="primary" size="small" @click="hAdd('0',1)">添加权限</el-button>
        </div>
        <el-table border :data="permissionList" row-key="id" default-expand-all>
          <el-table-column label="名称" prop="name" />
          <el-table-column label="标识" prop="code" />
          <el-table-column label="描述" prop="description" />
          <el-table-column label="操作">
            <template #default="{row}">
              <el-button v-if="row.type === 1" type="text" @click="hAdd(row.id,2)">添加</el-button>
              <el-button type="text" @click="hEdit(row)">编辑</el-button>
              <el-button type="text" @click="hDel(row.id)">删除</el-button>
            </template>
          </el-table-column>
        </el-table>
      </el-card>
      <!-- 弹层 -->
      <el-dialog
        :visible.sync="showDialog"
        :title="isEdit ? '编辑权限' : '添加权限' "
        :close-on-click-modal="false"
        :close-on-press-escape="false"
        @close="hClose"
      >
        <!-- 表单内容 -->
        <el-form label-width="100px">
          <el-form-item label="权限名称">
            <el-input v-model="formData.name" />
          </el-form-item>
          <el-form-item label="权限标识">
            <el-input v-model="formData.code" />
          </el-form-item>
          <el-form-item label="权限描述">
            <el-input v-model="formData.description" />
          </el-form-item>
          <el-form-item label="权限启用">
            <el-switch
              v-model="formData.enVisible"
              active-text="启用"
              active-value="1"
              inactive-text="不启用"
              inactive-value="0"
            />
          </el-form-item>
        </el-form>

        <template #footer>
          <div style="text-align: right;">
            <el-button @click="showDialog = false">取消</el-button>
            <el-button type="primary" @click="hSubmit">确定</el-button>
          </div>
        </template>
      </el-dialog>
    </div>
  </div>
</template>

<script>
import { addPermission, delPermission, getPermissionList, updatePermission } from '@/api/permission'
import { tranListToTreeList } from '@/utils'

export default {
  name: 'Permission',
  data() {
    return {
      permissionList: [],
      showDialog: false, // 是否显示弹层
      formData: {
        name: '', // 名称
        code: '', // 权限标识
        description: '', // 描述
        enVisible: '0', // 开启
        pid: '', // 添加到哪个节点下
        type: '' // 类型
      },
      isEdit: false // 编辑(true)与添加(false)
    }
  },
  created() {
    this.loadPermissionList()
  },
  methods: {
    hEdit(row) {
      this.isEdit = true
      this.showDialog = true
      this.formData = { ...row } // 浅拷贝数据
    },
    hAdd(pid, type) {
      this.isEdit = false
      this.showDialog = true
      this.formData.pid = pid
      this.formData.type = type
    },
    async doDel(id) {
      try {
        const res = await delPermission(id)
        console.log('delPermission删除成功', res)
        // 弹出提示刷新页面
        this.$message.success(res.message)
        this.loadPermissionList()
      } catch (error) {
        console.log(error)
      }
    },
    hDel(id) {
      this.$confirm('此操作将永久删除该权限, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(() => {
        this.doDel(id)
      }).catch(() => {
        this.$message({
          type: 'info',
          message: '已取消删除'
        })
      })
    },
    async doAdd() {
      // 实现添加权限的功能
      try {
        const res = await addPermission(this.formData)
        console.log('addPermission添加成功', res)
        // 关闭弹层刷新页面
        this.showDialog = false
        this.$message.success(res.message)
        this.loadPermissionList()
      } catch (error) {
        console.log(error)
      }
    },
    async doEdit() {
      try {
        const res = await updatePermission(this.formData)
        console.log('updatePermission编辑成功', res)
        // 关闭弹层刷新页面
        this.showDialog = false
        this.loadPermissionList()
      } catch (error) {
        console.log(error)
      }
    },
    hSubmit() {
      // 表单验证
      // this.$refs.formRef.validate(valid => {
      //   if (!valid) return
      this.isEdit ? this.doEdit() : this.doAdd()
      // })
    },
    // 当弹层关闭时，重置表单
    hClose() {
      // 1. 重置表单
      this.formData = {
        name: '', // 名称
        code: '', // 权限标识
        description: '', // 描述
        enVisible: '0', // 开启
        pid: '', // 添加到哪个节点下
        type: '' // 类型
      }
    },
    // 获取权限数据
    async loadPermissionList() {
      try {
        const res = await getPermissionList()
        console.log('获取权限数据', res)
        // 保存数据
        this.permissionList = tranListToTreeList(res.data)
      } catch (error) {
        console.log(error)
      }
    }
  }
}
</script>
